<h2>我的英雄</h2>
<ul class="heroes">
  <li *ngFor="let hero of heroes"
      routerLink="/detail/{{hero.id}}"
  >
    <button [class.selected]="hero === selectedHero" type="button" (click)="onSelect(hero)">
      <span class="badge">{{ hero.id }}——</span>
      <span class="name">{{ hero.name }}</span>
    </button>
  </li>
</ul>


